G/TBT/N/USA/1760/Add.1  
 
6 January 2022  
(22-0105) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
NOTIFICATION  
Addendum  
The following communication , dated  6 January 2022 , is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title: Revised 2023 and Later Model Year Light -Duty Vehicle Greenhouse Gas Emissions Standards  
 
Reason for Addendum:  
[  ] Comment period changed - date:   
[  ] Notified measure adopted - date:  
[X] Notified measure published - date: 30 December 2021  
[X] Notified measure enters into force - date: 28 February 2022  
[X] Text of final measure available from1:  
https://www.govinfo.gov/content/pkg/FR -2021-12-30/html/2021 -27854 .htm 
https://www.govinfo.gov/content/pkg/FR -2021-12-30/pdf/2021 -27854.pdf  
https://members.wto.org/crnattachments/2022/TBT/USA/final_measure/22_0124_00_
e.pdf  
[  ] Notified measure withdrawn or revoked - date:  
Relevant symbol if meas ure re -notified:   
[  ] Content or scope of notified measure changed  and text available from1:  
New deadline for comments (if applicable):   
[  ] Interpretive guidance issued and text available from1:  
[  ] Other:  
 
Description:  TITLE: Revised 2023 and Later Model Year Light -Duty Vehicle Greenhouse  Gas 
Emissions Standards  
AGENCY: Environmental Protection Agency (EPA)  
ACTION: Final rule  
SUMMARY: The Environmental Protection Agency (EPA) is revising the  greenhouse gas (GHG) 
emissio ns standards under the Clean Air Act  section 202(a) for light -duty vehicles for 2023 and later 
model years  to make the standards more stringent. On 20 January 2021, President  Biden issued 
Executive Order 13990 "Protecting Public Health and the  Environment and Restoring Science To 
Tackle the Climate Crisis''  directing EPA to consider whether to propose suspending, revising, 
or rescinding the standards previously revised under the "The Safer  Affordable Fuel -Efficient (SAFE) 
 
1 This information can be provided by including a website address, a pdf attachment, or other 
information on where the text of the final /modified  measure and/or interpretive guidance can be obtained.  G/TBT/N/USA/1760/Add.1  
 
- 2 - 
 
  Vehicles Rule for Model Years 2021 -2026 Passenger Cars and Light Trucks,"   promulgated in April 
2020. EPA  is revising the GHG standards to be more stringent than the SAFE rule  standards in each 
model year from 2023 through 2026. EPA is also  including temporary targeted flexibilities to addr ess 
the lead time of  the final standards and to incentivize the production of vehicles with  zero and near -
zero emissions technology. In addition, EPA is making  technical amendments to clarify and 
streamline our regulations.  
DATES: This final rule is effect ive on 28 February 2022. The  incorporation by reference of certain 
publications listed in this  regulation is approved by the Director of the Federal Register as of 28 
February 2022.  
This final rule and the notice of proposed rulemaking notified as G/TBT/N/ USA/1760  are identified 
by Docket Number EPA -HQ-OAR-2021-0208.   The Docket Folder is available on Regulations.gov 
at https://www.regulations.gov/docket/EPA -HQ-OAR-2021-0208/document  and provides access to 
primary and supporting documents as well as comments received.  Documents are also accessible 
from Regulations.gov  by searching the Docket Number.  
  
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